New Features• Edit Book: A new tool to transform book styling using easy to create rules. For example, you can create rules to change colors in the book or to double the font size of all text in the book, etc. For details, see

• Conversion: Allow creating rules to transform styles during conversion, as above. Available in the conversion dialog at 'Look & Feel->Transform style' • Edit metadata dialog: Make the hide toolbars right click menu action persistent. Also fix very large number of custom fields causing the basic metadata tab to not be aligned properly • Portable Installer: Do not ask to launch calibre when running an automated install. Automated installs will now never launch calibre. Bug Fixes• E-book viewer: Hide list numbers for popup footnotes when the footnotes are use <ol> as the number are likely to be incorrect. • DOCX Input: Ignore the hidden bookmark Word 2010 inserts to enable the go to last edit feature. • Fix keyboard focus lost after merging book records • E-book viewer: Handle <![CDATA[ escapes correctly. • Edit Book: Fix spelling correction suggestions not being shown when using the context menu key with the cursor at the end of the word Improved news sources• Mediapart

Release: 2.58 [02 Jun, 2016]New Features• Edit Book: A text search tool to conveniently search for text even if it crosses multiple HTML tags (Search->Search ignoring HTML markup) • OSX: Allow drag and drop of file onto viewer dock icon to view file Bug Fixes• Workaround for incompatibility between Qt 5.5+ and Ubuntu that caused the context menu for the book list to flicker. • Windows: Workaround for explorer shell extensions on windows that write to stdout • Edit Book: When jumping to next occurrence of a word, take language into account • Edit Book: Fix import of words into user dictionary not working • Fix use of non-ascii characters in identifiers causing an error when identifier rules are used. • Fix a regression that caused the paste from clipboard button to paste two times in the Add books from ISBN dialog • Fix for incompatibility with PyQt 5.6 Improved news sources• Denver Post• Financial Times• bild.de

Release: 2.57.1 [20 May, 2016]New Features• Driver for the Bq Cervantes 3 • A new "Ornamental" cover design for the "Generate cover" feature • Windows: Use a helper process that does not load any calibre DLLs to display file open/save dialogs. This should fix most crashes caused by poorly designed windows shell extensions. • Allow pressing Alt+O as a shortcut for click the OK button in the Add from ISBN dialog. • Remove the calibre dependency on ImageMagick -- reduces calibre install size by ~ 15MB • Edit book: Add a new image filter: Normalize -- to improve the contrast in images • Edit book: Add a filter to make images look like oil paintings • Use 'Not rated' for zero stars in all rating spin boxes Bug Fixes• Edit Book: Fix a crash in the Insert Link tool if one of the HTML files contains an empty id. • Fix tag like custom columns not sorted when displayed in the Book Details panel. • Fix transient window shown during Edit Book startup • Preserve booklist horizontal scroll position when merging books. • Google Images metadata download plugin: Fix error when searching for books with non-English characters in the title or author names. • Template language: Fix an error formatting dates when the underlying date does not have a day. • Preferences->Keyboard: Fix unable to use Alt+A and Alt+S as custom shortcuts. • Version 2.57.1 is a hotfix to fix a regression that broke conversion of ODT files in 2.57.0 Improved news sources• Folha de Sao Paolo• Barrons• Economist• Deutsche Welle (English and Spanish editions)• Die Presse• MIT Technology Review• Financial Times UK• Telegraph UK• The Guardian• Spiegel Online• Brand Eins• Focus.de• The Toronto Star• The Atlantic• Capital.de• The Times of India• The Economic Times India

Release: 2.56 [29 Apr, 2016]New Features• Edit Book: Add an option to show full file paths in the Files Browser instead of just the file name (in Preferences->Main window) • Allow creating a keyboard shortcut to minimize the calibre window (Preferences->Keyboard->Miscellaneous). Bug Fixes• Fix the Google Images based cover download plugin not working because of changes to Google's image search service • E-book viewer: Prevent the TAB key from causing partial scrolling in paged mode. • Book details panel: Fix regression in previous release that broke url:http|... style identifiers • OS X: Redirect stdout/stderr to /dev/null instead of ASL since ASL is flaky on some OS X machines. This should prevent errors in third party plugins that print a lot of debug messages even when not in debug mode • Fix for OS X upgrade 10.11.4 breaking detection of Kobo devices on some systems • Edit Book: Fix filename being duplicated in the Files Browser when multiple files with the same name are present. • PDF Output: Make fix for blank page at end of HTML file also work when headers/footers are specified New news sources• 1843 by Kovid Goyal• Berlin Policy Journal by AimyliosImproved news sources• Forbes• Wall Street Journal• Berliner Zeitung• Tagesspiegel• TIME• Foreign Affairs• New Yorker

Release: 2.55 [15 Apr, 2016]New Features• Allow creation of rules to convert arbitrary identifiers into clickable links in the book details panel (Preferences->Look & Feel->Book details) • Tag mapper: A new rule type 'split' allows you to easily split tags on a character • Make the shutting down message an overlay so it is less disruptive • Allow right clicking on Virtual Library tabs to edit/delete the virtual library. • Tag mapper: Add a button to edit the list of tags in a tag mapper rule using the tag editor dialog. Bug Fixes• Conversion: Fix the obsolete HTML align=center markup (produced by Microsoft Word) not working for tables. • Font subsetting: When font-variant: small-caps is used include the capital letters as well, in case either the font or the renderer do not support OpenType smcp. • Font subsetting: Implement support for text-transform. • Fix the target book entry in the book list not being refreshed after merging books. Only matters if you have a column based on book formats. • E-book viewer: Fix a link that has some text along with a superscript/subscript being incorrectly detected as a footnote link • Fix device detection on windows failing if the registry entries for the device contain a very long item. • Edit Book: Fix an extra colon being added when setting the 'notes' semantic • Ensure that author folder names are never windows reserved names • E-book viewer: When displaying an EPUB 3 document that uses epub:switch to provide a fallback for MathML content, prevent both the MathML and fallback from being shown together. • PDF Output: When displaying an EPUB 3 document that uses epub:switch to provide a fallback for MathML content, prevent both the MathML and fallback from being rendered together. • Fix exception in custom column preferences when the column lookup key is changed • Catalog generation: Do not crash is a book in the library has no uuid. New news sources• Kitekinto by pofaImproved news sources• Brand Eins• Handelsblatt• tyzden• Newsweek

Release: 2.54 [01 Apr, 2016]New Features• Edit metadata in bulk dialog: Allow configuring the types of generated covers. • E-book viewer: Make the detection of note boundaries for popup footnotes a little more robust • E-book viewer: Add options to control the amount the mouse wheel and arrow keys scroll by in flow mode • When running the content server do not hide the main calibre window during shutdown until the content server has stopped. Show a shutting down message in the window so that the user knows what is happening. • Edit Book: Check Book: Add a check for empty links • DOCX Input: When the document has a Table of Contents created using the Word Table of Contents tool, keep a reference to it in the metadata. This is useful when converting to old style MOBI and you want to precisely control placement of the ToC. Bug Fixes• Fix auto-mounting of some types of devices not working on FreeBSD • calibredb add: Fix the --cover option not working if the book being added has its own cover. • E-book viewer: Fix mathematics being typeset at too small a font size on windows • PDF Output: Fix occasional blank pages erroneously inserted in the text (at the end of an internal html file). • Book details panel: Fix url:file:// identifiers not becoming links • Fix fetch news dialog not rendering properly on HiDPI screens • Fix a hard to trigger crash introduced in the previous release when using the conversion dialog New news sources• Magyar Nemzet and Mult Kor by pofaImproved news sources• Nature News• TIME Magazine• Folha de Sao Paolo• Endgadget• MSNBC• The New York Times Book Review

New Features• Amazon metadata download: Download the series information when available from amazon.com • Amazon metadata download: Recognize common patterns of embedding the series name after the title and remove it automatically • Edit Book: Add support for EPUB 3 to the Table of Contents tool. Now when editing EPUB 3 files using the tool will automatically generate both the EPUB 3 navigation document and the NCX table of contents for backwards compatibility. • EPUB Input: Implement reading of Table of Contents from EPUB 3 files that do not specify a fallback NCX ToC • EPUB metadata: When setting a cover image for an EPUB file that has no metadata cover image defined, add the new cover image as a pure metadata cover instead of aborting.

Bug Fixes• Fix crash on exit if any plugins have loaded code that raises exceptions during shutdown. • Copy to library: Speed up checking for duplicates when copying multiple books to a large library. • Get Books: Update Smashwords plugin for website changes. • Edit Book: Fix a bug in the new text search facility that could cause searches to fail when searching from the current cursor position instead of the top of the file. • Bulk conversion dialog: Fix page margin settings being ignored when converting to DOCX • Make the default shortcut for remove books Backspace on OS X since many mac keyboards have no delete key and the backspace key is labelled as delete • Edit Book: Check Book: Do not warn if a cover image is not referenced in the text • E-book viewer: Fix a bug that could cause incorrect rendering of chapter titles in some rare circumstances. • Windows console output: Handle consoles with non black and white color scheme correctly • Fix a regression in 2.57 that caused auto-removal of borders from covers to become much less proficient at detecting borders • Fix a regression in 2.57 that broke grayscaling of images Improved news sources• Technology Review (DE)

New Features• Edit metadata: In the drop down list for languages, show the five most recently used languages first. • Edit Book: Check Book: Add a check for missing navigation documents in EPUB 3 books • Kobo driver: Improved configuration dialog for the Kobo Touch device driver • Copy to Library: Do not abort the copy process if only some books fail to copy, instead report which books failed and copy the rest. • News download: Make all relative links (those starting with /) absolute. Useful when reading on a device that supports web browsing. • EPUB metadata: Add an option to disable adding of cover images to EPUB files that declare no cover image in their metadata (Preferences->Plugins->Customize the Set EPUB metadata plugin) Bug Fixes• ToC Editor: Fix ToC detection in EPUB 3 files with only an NCX and no nav not working • E-book viewer: In paged mode, when the window is toggled between full screen and window, repeatedly, preserve the position more accurately. • E-book viewer: Fix incorrect page turning when multiple pages are displayed on screen for books that wrap all their content in a single 100% height tag. • Fix a regression that broke scheduling a new news download in timezones west of GMT • Edit Book: Fix undocked windows not resizable on OS X • Fix a regression in 2.57 that broke rescaling of images to fit the output profile screen size during conversion. • Fix for file dialogs not working on windows when non-ascii environment variables are present • HTML Input: Fix error when converting HTML file with URL encoded filename. Improved news sources• Handelsblatt• New York Times Book Review• Antyweb

Release: 2.62 [08 Jul, 2016]New Features• EPUB metadata: Support for reading and writing EPUB 3 specific metadata. Now when processing EPUB 3 files, calibre will generate/use EPUB 3 specific metadata constructs when available, for example for series. • Recognize the newest Kindle model, that started shipping today. Bug Fixes• Tag Mapper: Allow specifying a space as the split character when creating a split tags rule • Tag mapper: Fix upper case characters not working in 'contains' rules • Smarten punctuation: Fix double dashes and triple dots being smartened even inside attribute values. • HTML Input: Sanitize semi-colons from HTML filenames as they can cause problems with other EPUB consuming software. • EPUB Input: Speed up reading of the book spine from the OPF file for books with a very large number of entries in the spine • Edit Book: Reports: Characters: Fix sorting by count and name not working. • Fix KoboTouch configuration migration not working for older settings New news sources• Various Russian news sources by bugmen00tImproved news sources• The Skeptic

New Features• Custom columns: Add a new 'Short text' column type that behaves like the builtin title column More generally, you can now customize Comments-like columns, controlling how their headings are displayed in the Book Details panel and also specifying what kind of data they contain (plain text, HTML or even Markdown)• Edit book: Function mode: Allow appending text to the end of the marked text when running function mode search/replace on marked text • PDF Output: Add a new variable _TOP_LEVEL_SECTION_ for use in header/footer templates that resolves to the current top-most section in the Table of Contents • Linux/OSX: Shutdown gracefully on receiving the interrupt or terminate Unix signals Bug Fixes• PDF Output: Fix a regression that caused the last page of a chapter to sometimes be dropped from the output • Do not show an error if the user tries to quit calibre while editing a cell in the book list. Instead, just silently abort the edit. • E-book viewer: Fix 0px margins and percentage margins not being respected when the option to override book margins is turned off. • Book Details: Do not show the 'Copy link' context menu item unless there is an actual link at the cursor location. • Get Books: Update store plugin for nexto New news sources• Data News by oCkz7bJ_Improved news sources• Private Eye• Prospect Magazine• De Standaard• Jot Down• Weblogs SL• Hola• El Correo

Release: 2.68 [16 Sep, 2016]New Features• Add a tweak to Preferences->Tweaks to control the list of servers calibre considers public email servers Bug Fixes• Content server: Fix a regression in the previous release that broke the OPDS feeds for libraries with no custom columns Closes tickets: 1621642• Edit metadata dialog: Fix auto-generation/validation of author sort values not working when only changing case of the author name. Closes tickets: 1623593• A nicer error message when calibre fails to create the temporary directory. Closes tickets: 1622131• Fix dates being set to empty in bulk search/replace not becoming UNDEFINED • Edit metadata dialog: Make pressing up on an undefined numeric field set the value to zero instead of -99999. Closes tickets: 1622757• Conversion: Handle corrupted JPEG files that have valid headers but invalid data. Closes tickets: 1622416• Conversion: Improve detection of input documents that use uppercase tag/attribute names. Closes tickets: 1622261• Fix regression in previous release that caused incorrect display of ratings in the side panel of the metadata download dialog • Get Books: Update publio and virtualo store plugins for website changes • Fix reading metadata from PDF files broken by poppler >= 0.47.0 • Change the application name set in Qt to calibre from libprs500. Closes tickets: 1623397Improved news sources• Respekt Magazine• Punto Informatico• El universal

Release: 2.67 [08 Sep, 2016]New Features• Allow creating custom rating columns that support half-stars via Preferences->Add your own columns • Tag Browser: Add an option in Preferences->Look & Feel->Tag Browser to turn off the display of counts in the Tag Browser • Tag browser: Show the book counts on the right edge of the Tag Browser • Cover Browser: Allow any metadata field to be used as the sub-title, not just the rating • Edit Book: A new tool to sort the rules in a CSS stylesheet. To use it add it to the toolbar for CSS editors • Edit Book: The Remove Unused CSS tool now has an option to also merge CSS rules that have identical selectors • Add a tweak in Preferences->Tweaks to exclude some images types from being treated a covers when dropped onto the Book Details panel. Closes tickets: 1620198• Allow reading more image formats as covers (All images will be converted to JPEG when stored). Closes tickets: 1619993• Content server: OPDS feeds: Change the value of <updated> for entries in the acquisition feed to be the last modified date for the book. Also make the size and last modified timestamp available as attributes in the acquisition links. Useful for integration with third party applications. • Kobo driver: Add support for firmware version 4 available on the new Kobo Aura One Bug Fixes• ODT Input: Add support for continued lists. Closes tickets: 1620581• Edit Book: Fix high-dpi rendering of emblems in the File Browser • Fix regression in previous release that caused wide column icons to be scaled incorrectly • Metadata download dialog: Fix https links in the download summary not working • DOCX Output: Handle nested display:table tags with no rows. Closes tickets: 1619662• PDF Output: Fix OpenType fonts with CFF font data not embeddable on windows Improved news sources• Ars Technica

Release: 2.66 [02 Sep, 2016]New Features• A simplified calibre logo • Edit Book: Allow restricting a search to the files currently open for editing • Driver for the PocketBook Touch HD Closes tickets: 1618962• Kobo driver: Add support for firmware version 3.20 Bug Fixes• DOCX Input: Fix right-to-left alignment not working for footnotes. Closes tickets: 1617254• Sending email: Allow setting up a mail relay that uses encryption without a username and password. Closes tickets: 1618528• Linux: Fix calibre not working when the username is non-ASCII. Closes tickets: 1619056• DOCX Output: Ignore invalid text-indent values in the input document instead of erroring out. Closes tickets: 1618869• Portable Installer: Auto-create the installation folder specified on the command line if it does not exist • Kobo driver: Fix the ignore collections in option not working • More user interface fixes for high DPI screens • DOCX Input: Fix a regression in the previous release that could cause invalid values to be output for the text-align CSS property New news sources• Contropiano by michele

Release: 2.65.1 [26 Aug, 2016]New Features• Driver for Kobo Aura One and Aura Edition 2 • Kobo driver: Add an option to ignore some collections on the device. The specified collections will not be touched by the driver. • Add an option in Preferences->Searching to make searching case-sensitive • DOCX Input: Add support for right-to-left text/tables Closes tickets: 1569771Bug Fixes• Fix some icons/images in the user interface looking blurred in environments with High DPI scaling enabled, such as OS X retina screens • DOCX Input: Fix images that have the # character in their filenames not being converted correctly. Closes tickets: 1616482• ToC wizard: Fix generating toc from headings/xpath yielding unexpected results when tags are present out of sequence • Edit Book: Fix drag and drop of text replacing non-breaking spaces with normal spaces • E-book viewer: Fix duplicate names in hyphenation dictionary chooser. Closes tickets: 1615040• Fix a regression in the previous release that caused the completion popups for some custom column types in the book list to stop working. Closes tickets: 1612640• Version 2.65.1 contains a quick-fix for a typo in 2.65.0 that caused calibre to crash when a device is connected and the cover grid is enabled Improved news sources• Le Scienze• New Yorker

New Features• Kobo driver: Support for firmware version 4.1 and Overdrive books on the device • Edit Book: Highlight class names inside HTML tags • Bulk metadata edit dialog: Allow search & replace to work for ratings columns as well. Bug Fixes• Fix downloading of metadata from ozon.ru, which broke due to website changes • Kobo driver: Fix delete of empty collections • Kobo driver: Fix book previews being sometimes detected as actual books • Cover Browser: Fix setting an empty template for the title causes an error • Edit Book: On windows do not trigger shortcuts when using the right Alt (AltGr) key. This allows it to be used for entering special characters instead. • Edit Book: Auto-add file extension when using the Save a Copy dialog if it is missing. • Linux: Fix calibre not launching when used with some old VNC server implementations • Windows: Run library restore in a separate process as on some windows machines, running it in the main process causes something in the system to lock the db file. • Fix some news downloads in east asian languages not working because the truncation of article descriptions could cause invalid UTF-16 bytes in the string • Fix incorrect timezone when editing custom date columns directly in the book list New news sources• Various Danish news sources by Allan SimonsenImproved news sources• New York Times• Independent• El tribuno de Salta